by Olaf Helmer-Hirschberg
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Problem in logistics
A use of simulation for the study of fut...
The use of the Delphi technique in probl...
Analysis of the future
The Delphi method for systematizing judg...
New developments in early forecasting of...
The Art of War
The Prince
Walden
Narrative of the life of Frederick Dougl...
Twelve years a slave
Hard Times